Support in Times of Digitization (with Robert Weidner). In: Athanasios Karafillidis, Robert Weidner (eds.), Developing Support Technologies. Integrating Multiple Perspectives to Create Assistance That People Really Want, Springer international.

Distinguishing Support Technologies. A General Scheme and Its Application to Exoskeletons (with Robert Weidner). In: Athanasios Karafillidis, Robert Weidner (eds.), Developing Support Technologies. Integrating Multiple Perspectives to Create Assistance That People Really Want, Springer international.

Individual Support in Industrial Production. Outline of a Theory of Support-Systems (with Robert Weidner), Proceedings of the Hawaii International Conference on System Sciences (HICSS-49), January 5-8, 2016 Grand Hyatt, Kauai. DOI:10.1109/HICSS.2016.77

Three General Determinants of Support-Systems (with Robert Weidner), in: Applied Mechanics and Materials 794:555-562, 2015. [pdf]